Mastering Decimal Operations with Powers of Ten

What happens to the digits of a decimal when it is multiplied by 10?

• The decimal point moves to the end.

• The digits move one place to the right.

• The digits move one place to the left.

• The digits remain in the same place.

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Answer explanation

If you divide 2.05 by 10, what is the result?

• 20.5

• 0.205

• 2.5

• 205

What does dividing a number by 10 do to its digits?

• Shifts them two places to the left.

• Shifts them one place to the left.

• No change.

• Shifts them one place to the right.

How many places do the digits shift when dividing by 1000?

• One place

• Two places

• Three places

• Four places

What is the result of dividing 57 by 1000?

• 0.57

• 5.7

• 0.0057

• 0.057

When a number is divided by 1000, its digits move how many places?

• Three

• Two

• One

• Four

To get a result of 103.2 from 1.032, by what number should you multiply?

• 100

• 1000

• 0.1

• 10

What is the effect of multiplying a decimal by 100?

• Decimal point is removed.

• No change in the decimal.

• Digits move two places to the right.

• Digits move two places to the left.

If 0.015 is multiplied by 100, what is the outcome?

• 150

• 0.15

• 15

• 1.5